横向
1
Australian marsupial that hops
5
Flightless bird that swims in cold regions
6
Egg-laying mammal with a duck bill
7
Large bird of prey with keen eyesight
纵向
1
Australian marsupial that eats eucalyptus
2
Clawed sea crustacean
3
Large animal with a horn on its nose
4
Burrowing mammal with poor eyesight
8
Primate closest to humans
9
Wild dog-like animal of North America
10
Tallest living animal on Earth